Re: [PSES] fire safety test methods for different country standards

2016-05-20 Thread Scott Xe
Hi Rich, Thanks for your sharing experience! In general, the users and testing houses are referring to the rating of UL yellow card rather than the actual test on individual final designed pcb. Should we use it to object their normal practice. How often is it successful? Regards, Scott

Re: [PSES] fire safety test methods for different country standards

2016-05-20 Thread Richard Nute
In my last job I tried to do something similar w.r.t. PWB materials for applications where V-1 or better materials aren’t any good because the retardants result in reduced service lives in hostile equipment environments, whereas some specific (and very special!) HB materials last much

Re: [PSES] EN 55035 / CISPR 35

2016-05-20 Thread Schaefer, David
There’s a separate question on CISPR 35 I would like answered – are they going to use pulse modulation for the spot frequencies? As Rob mentioned, the requirement could be up to 30 V/m. If you’re intended to use the normal AM modulation of IEC 61000-4-3, that’s up to 54 V/m during your

Re: [PSES] EN 55035 / CISPR 35

2016-05-20 Thread Robert Dunkerley
Hi John, So EN 55035 (CISPR 35) may not filter through to the OJ Harmonised list until end of 2019? Up until that point, it will be a combination of EN 55032 and either EN 55024, 55020 or 55103-2? Thanks, Regards Rob. From: John Woodgate [mailto:jmw1...@btinternet.com] Sent: 19 May 2016